Duff HeatingHVAC contractor in La Crosse, WI
Duff Heating is an HVAC contractor in La Crosse, WI. Open Monday to Friday.
La Crosse, WI0 paid placements in any rankingHow we rank
Key facts
| Phone | (608) 784-4943 |
|---|---|
| Hours | Monday to Friday: 9 AM – 5 PM |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Serves La Crosse and 5 towns within 25 miles: North La Crosse, Onalaska, West Salem, Holmen and Sparta.
Based in La Crosse, WIView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 9 AM – 5 PM |
| Tuesday | 9 AM – 5 PM |
| Wednesday | 9 AM – 5 PM |
| Thursday | 9 AM – 5 PM |
| Friday | 9 AM – 5 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical heating and cooling prices
| Job | Low | Typical | High |
|---|---|---|---|
| AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range | $3,887 | $5,978 | $8,073 |
| Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range | $2,823 | $4,814 | $6,896 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
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Questions about Duff Heating
What are Duff Heating’s hours?
Duff Heating is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What areas does Duff Heating serve?
Serves La Crosse and 5 towns within 25 miles: North La Crosse, Onalaska, West Salem, Holmen and Sparta. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.
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